:root{--bg: #F4F6F8;--surface: #FFFFFF;--ink: #0F172A;--ink-2: #334155;--muted: #475569;--line: #E2E8F0;--line-2: #CBD5E1;--accent: #0F766E;--accent-dark: #115E59;--accent-soft: #CCFBF1;--accent-tint: #F0FDFA;--danger: #B91C1C;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg)}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.55}input,textarea{font:inherit;color:var(--ink)}:focus-visible{outline:3px solid rgba(15,118,110,.45);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}h1,.brand-name{font-family:Space Grotesk,Inter,sans-serif}.splash{height:100%;display:grid;place-items:center;color:var(--muted)}.auth{min-height:100%;display:flex;align-items:center;justify-content:center;padding:40px 24px}.auth-card{width:100%;max-width:400px;display:flex;flex-direction:column;gap:28px}.auth-head{display:flex;flex-direction:column;align-items:flex-start;gap:12px}.auth-head h1{margin:0;font-size:32px;font-weight:700;letter-spacing:-.5px}.auth-head h1.h-sm{font-size:26px;letter-spacing:-.3px}.muted{margin:0;color:var(--muted);line-height:1.55;font-size:15px}.logo{width:56px;height:56px;border-radius:16px;background:var(--accent);color:#fff;display:grid;place-items:center}.logo.soft{border-radius:50%;background:var(--accent-soft);color:var(--accent)}.form{display:flex;flex-direction:column;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:14px;font-weight:600}.field input,.input-wrap{height:50px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);font-size:16px}.field input{padding:0 14px}.input-wrap{display:flex;align-items:center;padding-left:14px}.input-wrap input{flex:1;min-width:0;height:46px;border:0;padding:0;background:transparent;outline:none}.input-wrap:focus-within{outline:3px solid rgba(15,118,110,.45);outline-offset:2px}.check{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2)}.check input{width:20px;height:20px;margin:0;accent-color:var(--accent)}.primary{height:52px;border:0;border-radius:12px;background:var(--accent);color:#fff;font-size:16px;font-weight:600}.primary:hover:not(:disabled){background:var(--accent-dark)}.error{margin:0;color:var(--danger);font-size:14px}.note{margin:0;display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.5}.note svg{flex:none;margin-top:2px}.warn{display:flex;gap:10px;padding:14px 16px;border-radius:12px;background:#fef3c7;color:#78350f;font-size:13px;line-height:1.5}.warn svg{flex:none;color:#92400e;margin-top:1px}.link-btn{align-self:flex-start;border:0;background:none;padding:8px 0;color:var(--accent);font-weight:600;font-size:14px}.chat{height:100%;display:flex;flex-direction:column}.topbar{flex:none;height:64px;padding:0 8px 0 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:flex;flex-direction:column;gap:2px;min-width:0}.brand-name{font-size:19px;font-weight:700;white-space:nowrap}.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--muted)}.badge svg{color:var(--accent)}.top-actions{display:flex;align-items:center;gap:2px}.whoami{display:none;font-size:14px;color:var(--muted);margin-right:8px}.whoami strong{color:var(--ink)}.icon-btn{width:44px;height:44px;border:0;border-radius:12px;background:transparent;color:var(--ink-2);display:grid;place-items:center;flex:none}.icon-btn:hover:not(:disabled){background:#f1f5f9}.icon-btn.soft{background:#f1f5f9}.body{flex:1;min-height:0;display:flex}.days-nav{display:none}.thread{flex:1;min-width:0;display:flex;flex-direction:column}.scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain}.column{max-width:760px;margin:0 auto;padding:14px 16px 18px;display:flex;flex-direction:column;gap:12px}.empty{text-align:center;color:var(--muted);margin:40px 0}.more{align-self:center;border:1px solid var(--line-2);background:var(--surface);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--ink-2)}.day{display:flex;justify-content:center;margin-top:6px;scroll-margin-top:12px}.day span{padding:5px 12px;border-radius:999px;background:var(--line);color:var(--ink-2);font-size:12px;font-weight:600}.msg{display:flex;flex-direction:column;gap:4px;max-width:min(80%,520px)}.msg.theirs{align-items:flex-start}.msg.mine{align-items:flex-end;align-self:flex-end}.who{font-size:12px;font-weight:600;color:var(--muted);padding-left:4px}.bubble{font-size:15px;line-height:1.45;overflow-wrap:anywhere;white-space:pre-wrap}.msg.theirs .bubble{background:var(--surface);border:1px solid var(--line);border-radius:18px 18px 18px 6px}.msg.mine .bubble{background:var(--accent);color:#fff;border-radius:18px 18px 6px}.bubble .text{padding:10px 14px}.bubble em{display:block;padding:10px 14px;opacity:.8}.bubble.has-media{overflow:hidden;width:280px;max-width:100%}.media{display:grid;gap:2px}.media.n2,.media.n3,.media.n4{grid-template-columns:1fr 1fr}.media.n2 .photo,.media.n3 .photo,.media.n4 .photo{aspect-ratio:1 / 1!important}.photo{display:block;width:100%;padding:0;border:0;background:var(--line-2);overflow:hidden}.photo img{width:100%;height:100%;object-fit:cover;display:block}.photo-ph{display:grid;place-items:center;height:100%;min-height:80px;font-size:12px;color:var(--ink-2)}.meta{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--muted);padding:0 4px}.del{border:0;background:none;color:var(--muted);width:28px;height:28px;display:grid;place-items:center;border-radius:8px;opacity:0}.msg:hover .del,.del:focus-visible{opacity:1}@media (hover: none){.del{opacity:.6}}.composer-wrap{flex:none;background:var(--surface);border-top:1px solid var(--line);padding:10px 12px calc(12px + env(safe-area-inset-bottom))}.composer-wrap>*{max-width:760px;margin-left:auto;margin-right:auto}.composer{display:flex;align-items:flex-end;gap:8px}.composer textarea{flex:1;min-width:0;height:44px;max-height:160px;padding:11px 14px;border:1px solid var(--line-2);border-radius:22px;resize:none;font-size:16px;line-height:1.35;background:var(--surface)}.send{width:44px;height:44px;flex:none;border:0;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.tray{display:flex;gap:8px;overflow-x:auto;padding-bottom:10px}.thumb{position:relative;width:84px;height:84px;flex:none;border-radius:12px;overflow:hidden;background:var(--line-2)}.thumb img{width:100%;height:100%;object-fit:cover}.thumb-x{position:absolute;top:4px;right:4px;width:28px;height:28px;border:0;border-radius:50%;background:#0f172abf;color:#fff;display:grid;place-items:center}.hint{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);margin-top:8px;margin-bottom:0}.error.bar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.error.bar .link-btn{padding:4px 0}.viewer{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172aeb;display:grid;place-items:center;padding:24px;z-index:10}.viewer img{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px}.viewer-x{position:absolute;top:16px;right:16px;width:44px;height:44px;border:0;border-radius:50%;background:#ffffff26;color:#fff;display:grid;place-items:center}@media (min-width: 900px){.topbar{padding:0 20px 0 24px}.brand{flex-direction:row;align-items:center;gap:14px}.brand-name{font-size:22px}.badge{padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-dark);font-weight:600}.badge svg{color:var(--accent-dark)}.whoami{display:inline}.days-nav{display:flex;flex-direction:column;gap:4px;width:260px;flex:none;padding:20px 14px;background:var(--surface);border-right:1px solid var(--line);overflow-y:auto}.days-title{padding:0 10px 8px;font-size:12px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}.day-link{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border:0;border-radius:10px;background:none;text-align:left;font-size:14px;color:var(--ink-2)}.day-link:hover{background:var(--accent-tint);color:var(--accent-dark)}.day-link span{font-size:12px;color:var(--muted)}.column{padding:24px}.composer-wrap{padding:12px 24px 20px}}